In the Research Letter entitled “Screening and Severity of Coronavirus Disease 2019 (COVID-19) in Children in Madrid, Spain,”1 there were 2 errors in the Table. In the row “No/community transmission,” “25 (41)” should be “25 (61).” In the row “No” under “Underlying disease,” “30 (67)” should be “30 (73).” This article was corrected online.